code: def mmf(x, alpha, beta, kappa, delta):
      return alpha - (alpha - beta) / (1.0 + (kappa * x) ** delta)
  
imports: import scipy
  import logging
  import numpy
  import time
  from scipy import optimize
label_desc: Use image node_id 8 for calling a global function with example usage: mmf(x, alpha, beta, kappa, delta) and returns: unknown